Cubic Graphs


a cubic function is a polynomial of degree three.

cubic graphs can be drawn by finding the x and y intercepts or by using a transformation approach.

because cubic graphs do not have axes of symmetry the turning points have to be found using calculus.

Key Skills

  • sketch the graph of a cubic given its equation
  • identify points on acubic graph given its equation
  • find the equation of a function given its graph


cubic function, x-intercept, y-interceptturning pointcalculus.